Any ideas what these signs on this building mean?

lemmy.ml

152

Any ideas what these signs on this building mean?

lemmy.ml

dohpaz42 to

[email protected]English • 2 days ago

Aside of these signs and the address numbers, the building is completely unmarked.

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50•2 days ago
They’re NFPA 704 signs.
- dohpaz42OP
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  13•2 days ago
  Thank you!

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